.ncicap.org-- at 6:30.s abc 7 news >> police need your help finding those behind the shooting death of a u.s. postal service worker. mixed reaction on the deal s nuclearith iran' program. get ready for another night of freezing temperatures. it is brutal out there. what is in store for the next few hours and this holiday week? steve rudin keeping track of this cold blast. >> we had wind gusts earlier in the day of 45 miles per hour at reagan international airport. the cold weather will stick around for the evening and overnight hours. take a look at temperatures. it is 27 in frederick, 30 degrees at reagan national airport. , what ithill factor feels like out there, in the single digits. it feels like 23 in arlington this hour. satellite and radar, a few snow showers across western pennsylvania. don't be surprised if you see a few flakes falling around the hagerstown area. is our holiday travel weekend lines, quiet and drive for the day tomorrow. look for heavy rain until late in the day on tuesday. we could be looking at significant snow in the mountains. what to expect coming up in a few minutes.